409007215042 has 8 divisors (see below), whose sum is σ = 613913657616. Its totient is φ = 204369329172.

The previous prime is 409007215009. The next prime is 409007215049. The reversal of 409007215042 is 240512700904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 409007214989 and 409007215007.

It is not an unprimeable number, because it can be changed into a prime (409007215049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67135368 + ... + 67141459.

It is an arithmetic number, because the mean of its divisors is an integer number (76739207202).

Almost surely, 2^409007215042 is an apocalyptic number.

409007215042 is a deficient number, since it is larger than the sum of its proper divisors (204906442574).

409007215042 is a wasteful number, since it uses less digits than its factorization.

409007215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134278352.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 409007215042 its reverse (240512700904), we get a palindrome (649519915946).

The spelling of 409007215042 in words is "four hundred nine billion, seven million, two hundred fifteen thousand, forty-two".